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-rw-r--r--fs/iomap.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/iomap.c b/fs/iomap.c
index ac7b2152c3ad..04e82b6bd9bf 100644
--- a/fs/iomap.c
+++ b/fs/iomap.c
@@ -109,6 +109,7 @@ static struct iomap_page *
iomap_page_create(struct inode *inode, struct page *page)
{
struct iomap_page *iop = to_iomap_page(page);
+ unsigned int nr_blocks = PAGE_SIZE / i_blocksize(inode);
if (iop || i_blocksize(inode) == PAGE_SIZE)
return iop;
@@ -118,6 +119,8 @@ iomap_page_create(struct inode *inode, struct page *page)
atomic_set(&iop->write_count, 0);
spin_lock_init(&iop->uptodate_lock);
bitmap_zero(iop->uptodate, PAGE_SIZE / SECTOR_SIZE);
+ if (PageUptodate(page))
+ bitmap_fill(iop->uptodate, nr_blocks);
/*
* migrate_page_move_mapping() assumes that pages with private data have